10708221 has 8 divisors (see below), whose sum is σ = 14770080. Its totient is φ = 6892592.

The previous prime is 10708199. The next prime is 10708231. The reversal of 10708221 is 12280701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10708221 - 2¹⁰ = 10707197 is a prime.

It is a super-2 number, since 2×10708221² = 229331993969682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10708231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61455 + ... + 61628.

It is an arithmetic number, because the mean of its divisors is an integer number (1846260).

Almost surely, 2^10708221 is an apocalyptic number.

It is an amenable number.

10708221 is a deficient number, since it is larger than the sum of its proper divisors (4061859).

10708221 is a wasteful number, since it uses less digits than its factorization.

10708221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123115.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 10708221 is about 3272.3418219984. The cubic root of 10708221 is about 220.4139657467.

Adding to 10708221 its reverse (12280701), we get a palindrome (22988922).

The spelling of 10708221 in words is "ten million, seven hundred eight thousand, two hundred twenty-one".